Farmall Tractors

Two tractors are used to drag a large boulder across a field. The larger tractor exerts a force of 3200 N toward [120º].The smaller tractor pulls with a force of 2500 N toward [65º]

[a] Determine the resultant force on the boulder

[b] Determine the equilibrant force

Two tractors are used to drag a large boulder across a field. The larger tractor exerts a force of 3200 N toward [120º].The smaller tractor pulls with a force of 2500 N toward [65º]

[a] Determine the resultant force on the boulder

large: (3200*cos(120),3200*sin(120) = (-1600,2771)
small: (2500*cos(65), 2500*sin(65)) = (1057,2266)
resultant: (-1600,2771) + (1057,2266) = (-1600+1057,2771+2266) = (-543,5037)
arctan(5037/-543) = -84 degrees (wrong quadrant!)
correction: -84 + 180 = 96 degrees
magnitude = sqrt(-543^2 + 5037^2) = 5066 [N]

Answer: 5066 [N] towards 96 [degrees]

Good luck.

The farm use will consist of tilling, fertilizing, and harvesting of produce to be sold.

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Your best bet is to hit up some forums and ask around to people who have this hobby or restore antique farm machinery. I would take a look at:

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I bet you can find endless information there if you ask questions in the forum. A forum is a bit better for this kind of thing as you can interact more easily than a simple Question Answer style like they have here.

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